website introduction:A crossword solving search engine with a reverse feature that lets you see other clues pointing to an answer.
website introduction:Primarily a dictionary site but also has the ability to do wildcard searches on the words it knows about.
website introduction:Collection of crossword solving tools and crossword thesaurus to help fill in the blanks in crossword puzzles.
website introduction:Nonstop fun with the world's best logic puzzles: free online picture-forming logic puzzles
website introduction:Simple web-based letter pattern searcher.
website introduction:Brain teasers, puzzles, riddles, games and optical illusions.
website introduction:Everything Rubik's related, forums, online cubes, games, contests and history.
website introduction:Search by clues, word lengths, or partial words with wildcards.
website introduction:Puzzles playable online, sizes 3x3 to 9x9, as well as tutorials and tips.
website introduction:Brain teasers, riddles, logic puzzles and problems, paradoxes, optical illusions, IQ tests and logical games.
website introduction:Play sudoku puzzles online for free.
website introduction:Use our free crossword puzzle solver. Crossword clues and answers gathered daily. Guaranteed to find any answers for any crossword puzzles.
website introduction:Contains a huge collection of user submitted and rated brain teasers and riddles. It also has a lively message board and some unique multiplayer games.
website introduction:killer sudoku and greater than sudoku puzzles from easy to very difficult. New puzzles every day. Play on-online or download for off-line play.
website introduction:Forum dedicated to speedsolving the Rubik's cube, asking questions, and cubers community.
website introduction:Official competitions, world records, top persons and stats by the official Cube association.
website introduction:Amusing daily blog which reviews the New York Times puzzle.
website introduction:This site contains logical puzzles. It contain puzzle types which appears in World Puzzles Championships. This site also contains Sudoku types which appears in World Sudoku Championships.
website introduction:Makes wire puzzles of various levels of difficulty.
website introduction:Online Rubik's Cube timer for speedcubing. Scrambling generator, allowing inspection, calculating averages and other stats.
website introduction:Daily killer and greater-than killer sudoku puzzles that can be played online or printed.
website introduction:The stress here is on relative novelty and interactivity, in combination with a scientific background. Regularly updated.
website introduction:Interactive java puzzles and activities in different mathematical topics.
website introduction:Site with Sudoku and many variants, as well solvers, strategy explanations, etc.
website introduction:Home site for the Binary Arts line of mind puzzles.